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WO2002063165A1 - Wind energy installation comprising a seawater or brackish water desalination plant - Google Patents

Wind energy installation comprising a seawater or brackish water desalination plant Download PDF

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Publication number
WO2002063165A1
WO2002063165A1 PCT/DE2002/000278 DE0200278W WO02063165A1 WO 2002063165 A1 WO2002063165 A1 WO 2002063165A1 DE 0200278 W DE0200278 W DE 0200278W WO 02063165 A1 WO02063165 A1 WO 02063165A1
Authority
WO
WIPO (PCT)
Prior art keywords
reverse osmosis
tower
wind
plant according
wind energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE2002/000278
Other languages
German (de)
French (fr)
Inventor
Sönke Siegfriedsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aerodyn Engineering GmbH
Original Assignee
Aerodyn Engineering GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aerodyn Engineering GmbH filed Critical Aerodyn Engineering GmbH
Priority to KR20037009737A priority Critical patent/KR100842467B1/en
Priority to JP2002562879A priority patent/JP4026061B2/en
Priority to AU2002240799A priority patent/AU2002240799B2/en
Priority to EP20020706631 priority patent/EP1350028B1/en
Priority to DE50212757T priority patent/DE50212757D1/en
Priority to US10/467,230 priority patent/US7029576B2/en
Publication of WO2002063165A1 publication Critical patent/WO2002063165A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/22—Foundations specially adapted for wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/62—Application for desalination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/138—Water desalination using renewable energy
    • Y02A20/141—Wind power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy

Definitions

  • the invention relates to a wind power plant with a tower, a gondola carried by it, a rotor mounted in the gondola and at least one pressure pump mechanically driven by the rotor and feeding a reverse osmosis system.
  • the invention is therefore based on the object of providing a wind energy installation which, with a simple structure and with high efficiency, can desalinate sea or brackish water with the production of drinking water.
  • the essence of the invention is to use the essential part of the available kinematic energy of a wind energy plant directly for the drive of pump units which generate the required pressure and volume flow of the sea or brackish water for a reverse osmosis plant, with all functional elements such as raw water reservoir, filter device, pump units, reverse osmosis units and drinking water storage tank are integrated in the wind turbine.
  • electrical energy is generated by a generator, which is then converted back into mechanical energy. This conversion chain means double efficiency losses and high costs for the necessary components and units.
  • the rotational energy of the wind turbine rotor is transferred directly or indirectly via a gear to one or more pump units in the nacelle of the wind turbine. would be transferred.
  • These directly mechanically driven pumps are supplied with the sea or brackish water to be desalinated from the tower base and generate a speed-dependent volume flow.
  • the reverse osmosis unit is charged with this sea or brackish water via a valve system.
  • a pressure is built up in the system. Pressure and volume flow are controlled by a control device and adapted to the respective operating conditions. An intermediate storage ensures the temporary compensation of load fluctuations in the system. If necessary, several pump units and reverse osmosis units can also be switched on or off via valves via the control device in order to use the respectively existing rotor line.
  • the filter device and reverse osmosis unit are preferably accommodated in the upper part of the tower and are supplied with the pressure medium from the top of the nacelle.
  • the filter and reverse osmosis device is rotatably attached to the nacelle in a rotating frame so that the pressurized water line can be firmly connected to the pump system.
  • the drinking water tank is located underneath, fixed in the tower, into which the drinking water from the reverse osmosis system runs. Due to the height of the water column, a pressure is generated in the drinking water discharge line, which enables bridging of larger distances.
  • the drinking water tank is provided with a central channel to carry out the sea or brackish water supply and for the ascent of people.
  • a sea or brackish water reservoir with a prefilter, chlorination system and feed pump is installed in the founding part of the wind turbine. It is particularly advantageous if the wind energy installation is designed as an offshore installation and is installed directly in the sea or in brackish water.
  • the raw water reservoir with the necessary components can be installed directly in the foundation section below the water level and supplied with almost unlimited amounts of sea or brackish water.
  • the continuously occurring filter sludge and other waste concentrates can be released directly into the sea or brackish water.
  • the entire functional unit is integrated directly in the offshore wind turbine. Only a water pipe has to be led to the consumer on land.
  • the electrical auxiliary energy required for auxiliary units is generated by a small-sized generator.
  • the energy conversion of the wind power plant from translatory air movement into rotational energy takes place via the rotor blades 10, which are pivotably mounted on the rotor hub 12 and whose setting angle can be changed via the blade adjustment 14.
  • the gear 16 Via the gear 16, the driven rotor side through the hub 12, the rotational speed of the output shafts of 1,500 to 3,000 min "1 is translated.
  • an auxiliary generator 18 and one or more pressure pump 20 is driven.
  • the from the auxiliary generator 18 Generated electrical energy is temporarily stored by a battery that supplies the control device.
  • These components are located in the nacelle 22 of the wind energy installation, which is continuously aligned with the changing wind direction via the wind direction tracking device 24.
  • the sea or brackish water is conveyed into the storage tank 27 via a rotating union 26 and fed to the pressure pump 20 in the rotatable nacelle 22 via the valve 31.
  • the pressure pump 20 pressurizes the supplied sea or brackish water.
  • the pressure accumulator 28 ensures a compensation of peak loads and thus smoothes the pressure curve over time.
  • the volume flow of the pressurized sea or brackish water is regulated with the aid of the control valve 30 and the power output of the rotor is coordinated with one another via the blade adjustment 14.
  • the filter units 36 and the reverse osmosis device 38 are arranged below the nacelle 22 in a rotating rotating frame 34. Due to the suspension rotating with the gondola, the pressure pipes between the pressure pumps 20 and the filter unit 36 and the reverse osmosis device 38 can be firmly connected.
  • the drinking water tank 40 which serves as a reservoir, is located below the reverse osmosis device 38. Due to the installation height of the tank above the ground, the static pressure can convey the water over longer distances via the drinking water line 42.
  • the wind energy installation is installed directly at the sea or in brackish water, so that the plant is surrounded on all sides by sea or brackish water 44.
  • a raw water filter 46 Via a raw water filter 46, the water reaches a raw water reservoir 48, which is located below the water surface.
  • the water is chemically pre-treated via electrolysis chlorination 50 treated.
  • An electrically operated lifting pump 52 conveys the sea or brackish water via the raw water lifting pipe 54, the rotating union 26 and the storage tank 27 to the pressure pump 20 in the nacelle 22.
  • the waste water pipe 56 is arranged, which carries out the salt water concentrate and the filter sludge the filter device 36 leads back into the sea or the brackish water.
  • These tubes are arranged centrally to the outer tube and are located in the access tube 58 within the drinking water tank 40. This access tube 58 is also used for climbing people for maintenance or repair work, the lower part of the tower being reached through the entrance door 60.
  • the entire system is connected to the seabed via the foundation component 62.
  • the tower 66 is connected to the foundation part 62 via the foot flange 64.
  • the tower 66 consists of the lower tower segment with the drinking water tank 40 and the upper tower segment with the filter unit 36 and the reverse osmosis device 38. Both tower parts are connected to one another via the connecting flange 68.
  • two maintenance platforms 70 are each arranged below the assemblies in the rotating frame 34.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Revetment (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to a wind energy installation comprising a tower (66), a gondola (22) supported by the tower, a rotor (10, 12) mounted in the gondola (22), and at least one pressure pump (20) that is mechanically driven by said rotor and that feeds a raw water-treating reverse-osmosis plant, the components of said reverse osmosis plant being arranged in the tower (66).

Description

Windenergieanlage mit Meer- oder Brackwasserentsalzungsanlage Wind energy plant with sea or brackish water desalination plant

Die Erfindung betrifft eine Windenergieanlage mit einem Turm, einer von diesem getragenen Gondel, einem in der Gondel gelagerten Rotor und wenigstens einer von dem Rotor mechanisch angetriebenen, eine Umkehr-Osmose-Anlage speisenden Druckpumpe.The invention relates to a wind power plant with a tower, a gondola carried by it, a rotor mounted in the gondola and at least one pressure pump mechanically driven by the rotor and feeding a reverse osmosis system.

Der Erzeugung von elektrischer Energie dienende Windenergieanlagen sind in verschiedener Ausbildung bekannt. Es sind weiter Meerwasserentsalzungsanlagen bekannt, die - meist unter Nutzung von fossilen Energieträgern - Meeroder Brackwasser entsalzen. Auch bei nach dem Umkehr- Osmose-Verfahren arbeitenden elektrisch betriebenen Anlagen wird meist unter Verwendung von fossilen Brennstoffen erzeugte elektrische Energie genutzt.Various types of wind energy plants are known for generating electrical energy. There are also known seawater desalination plants which - mostly using fossil fuels - desalinate sea or brackish water. Electrical energy generated using fossil fuels is also usually used in the case of electrically operated systems which operate according to the reverse osmosis process.

Um den Einsatz regenerativer Energiequellen zu ermöglichen, ist bereits vorgeschlagen worden, die elektrische Energie, die zum Betreiben der Pumpen und sonstigen elektrischen Aggregate einer Umkehr-Osmose-Anlage erforderlich ist, mittels einer Windenergienanlage zu erzeugen, so bspw. in der US 4,187,173, der DE 200 13 613 Ul, der DE 197 14 512 C2 , der DE 198 50 565 AI und der DE 43 21 050 AI. Es ist offenbar, daß der Wirkungsgrad bei einer solchen Zusammenschaltung konventioneller Anlagen gering ist. Aus der DE 38 08 536 AI ist eine Windenergieanlage bekannt, bei der der Rotor über ein Winkelgetriebe auf einen Pumpensatz wirkt, der auf einen im Turm angeordneten Druckbehälter wirkt. Dieser Druckbehälter wiederum versorgt eine außerhalb der Windenergieanlage angeordneten Umkehr-Osmose-Anlage.In order to enable the use of regenerative energy sources, it has already been proposed to generate the electrical energy that is required to operate the pumps and other electrical units of a reverse osmosis system by means of a wind energy system, for example in US Pat. No. 4,187,173 DE 200 13 613 Ul, DE 197 14 512 C2, DE 198 50 565 AI and DE 43 21 050 AI. It is evident that the efficiency of such an interconnection of conventional systems is low. From DE 38 08 536 AI a wind turbine is known in which the rotor acts via an angular gear on a pump set which acts on a pressure vessel arranged in the tower. This pressure vessel in turn supplies a reverse osmosis system arranged outside the wind turbine.

Die vorbekannten Anlagen sind ist konstruktiv aufwendig.The previously known systems are structurally complex.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Windenergieanlage zu schaffen, die bei einem einfachen Aufbau mit einem hohen Wirkungsgrad Meer- oder Brackwasser unter Erzeugung von Trinkwasser entsalzen kann.The invention is therefore based on the object of providing a wind energy installation which, with a simple structure and with high efficiency, can desalinate sea or brackish water with the production of drinking water.

Erfindungsgemäß wird diese Aufgabe gelöst durch die Merkmale des Anspruchs 1, die Unteransprüche geben vorteilhafte Ausgestaltungen der Erfindung an.According to the invention, this object is achieved by the features of claim 1, the subclaims indicate advantageous embodiments of the invention.

Der Kern der Erfindung ist es, den wesentlichen Teil der zur Verfügung stehenden kinematischen Energie einer Windenergieanlage direkt für den Antrieb von Pumpenaggregaten zu verwenden, die den erforderlichen Druck und Volumenstrom des Meer- oder Brackwassers für eine Umkehr-Osmose- Anlage erzeugen, wobei alle Funktionselemente wie Rohwasserreservoir, Filtereinrichtung, Pumpeneinheiten, Umkehrosmoseeinheiten und Trinkwasservorratstank in der Windenergieanlage integriert sind. Bei dieser Ausführung wird es vermieden, daß durch einen Generator elektrische Energie erzeugt wird, die dann wieder in mechanische Energie umgesetzt wird. Diese Umwandlungskette bedeutet doppelte Wirkungsgradverluste und hohe Kosten für die erforderlichen Bauteile und Aggregate.The essence of the invention is to use the essential part of the available kinematic energy of a wind energy plant directly for the drive of pump units which generate the required pressure and volume flow of the sea or brackish water for a reverse osmosis plant, with all functional elements such as raw water reservoir, filter device, pump units, reverse osmosis units and drinking water storage tank are integrated in the wind turbine. In this embodiment, it is avoided that electrical energy is generated by a generator, which is then converted back into mechanical energy. This conversion chain means double efficiency losses and high costs for the necessary components and units.

Die rotatorische Energie des Windenergieanlagenrotors wird direkt oder indirekt über ein Getriebe auf ein oder mehrere Pumpenaggregate in der Gondel der Windenergiean- läge übertragen. Diese direkt mechanisch angetriebenen Pumpen werden mit dem zu entsalzenen Meer- oder Brackwasser vom Turmfuß versorgt und erzeugen einen drehzahlabhängigen Volumenstrom. Über ein Ventilsystem wird die Umkehrosmoseeinheit mit diesem Meer- oder Brackwasser beaufschlagt.The rotational energy of the wind turbine rotor is transferred directly or indirectly via a gear to one or more pump units in the nacelle of the wind turbine. would be transferred. These directly mechanically driven pumps are supplied with the sea or brackish water to be desalinated from the tower base and generate a speed-dependent volume flow. The reverse osmosis unit is charged with this sea or brackish water via a valve system.

In Abhängigkeit der Ventilsteuerung und der Anzahl der Umkehrosmoseeinheiten wird ein Druck in dem System aufgebaut. Druck und Volumenstrom werden über eine Regelleinrichtung gesteuert und den jeweiligen Betriebsbedingungen angepaßt. Ein Zwischenspeicher sorgt für den kurzzeitigen Ausgleich von Lastschwankungen im System. Über die Regeleinrichtung können auch ggf. mehrere Pumpeneinheiten und Umkehrosmoseeinheiten über Ventile zu oder abgeschaltet werden, um die jeweils anstehende Rotorleitung zu nutzen.Depending on the valve control and the number of reverse osmosis units, a pressure is built up in the system. Pressure and volume flow are controlled by a control device and adapted to the respective operating conditions. An intermediate storage ensures the temporary compensation of load fluctuations in the system. If necessary, several pump units and reverse osmosis units can also be switched on or off via valves via the control device in order to use the respectively existing rotor line.

Die Filtereinrichtung und Umkehrosmoseeinheit sind vorzugsweise im oberen Teil des Turmes untergebracht und werden von oben aus der Gondel mit dem Druckmedium versorgt. Vorzugsweise ist dabei die Filter- und Umkehrosmoseeinrichtung drehbar an der Gondel in einem Drehrahmen befestigt, damit die Druckwasserleitung fest mit der Pumpenanlage verbunden werden kann. Darunter angeordnet befindet sich der Trinkwassertank, im Turm fest angebracht, in dem das Trinkwasser aus der Umkehr-Osmose-Anlage hineinläuft. Durch die Höhe der Wassersäule wird gleichzeitig ein Druck in der Trinkwasserabführleitung erzeugt, die eine Überbrückung von größeren Entfernungen ermöglicht.The filter device and reverse osmosis unit are preferably accommodated in the upper part of the tower and are supplied with the pressure medium from the top of the nacelle. Preferably, the filter and reverse osmosis device is rotatably attached to the nacelle in a rotating frame so that the pressurized water line can be firmly connected to the pump system. The drinking water tank is located underneath, fixed in the tower, into which the drinking water from the reverse osmosis system runs. Due to the height of the water column, a pressure is generated in the drinking water discharge line, which enables bridging of larger distances.

Zur Durchführung der Meer- oder Brackwasserzuleitung und für den Personenaufstieg ist der Trinkwassertank zentral mit einem Kanal versehen. In dem Gründungsteil der Windenergieanlage ist ein Meer- oder Brackwasserreservoir mit Vorfilter, Chlorierungsanlage und Förderpumpe angebracht. Besonders vorteilhaft ist es, wenn die Windenergieanlage als Offshore-Anlage ausgeführt ist und direkt im Meer bzw. im Brackwassergewässer installiert wird. Das Rohwasserreservoir mit den erforderlichen Bauelementen kann direkt im Gründungsteil unterhalb des Wasserspiegels eingebaut werden und direkt mit nahezu unbegrenzten Meer- bzw. Brackwassermengen versorgt werden.The drinking water tank is provided with a central channel to carry out the sea or brackish water supply and for the ascent of people. A sea or brackish water reservoir with a prefilter, chlorination system and feed pump is installed in the founding part of the wind turbine. It is particularly advantageous if the wind energy installation is designed as an offshore installation and is installed directly in the sea or in brackish water. The raw water reservoir with the necessary components can be installed directly in the foundation section below the water level and supplied with almost unlimited amounts of sea or brackish water.

Die kontinuierlich anfallenden Filterschlämme und sonstige Abfallkonzentrate können wieder direkt in das Meer bzw. das Brackwasser abgegeben werden.The continuously occurring filter sludge and other waste concentrates can be released directly into the sea or brackish water.

Die gesamte Funktionseinheit ist direkt in der Offshore- Windenergieanlage integriert. Lediglich eine Wasserrohrleitung muß an Land zum Verbraucher geführt werden. Die erforderliche elektrische Hilfsenergie für Nebenaggregate wird durch einen kleindimensionierten Generator erzeugt.The entire functional unit is integrated directly in the offshore wind turbine. Only a water pipe has to be led to the consumer on land. The electrical auxiliary energy required for auxiliary units is generated by a small-sized generator.

Die Fig. 1 beschreibt eine bevorzugte Ausführungsform der Erfindung.1 describes a preferred embodiment of the invention.

Die Energiewandlung der Windenergieanlage von translatorischer Luftbewegung in Rotationsenergie erfolgt über die Rotorblätter 10, die an der Rotornabe 12 schwenkbar gelagert sind und über die Blattverstellung 14 in ihrem Einstellwinkel verändert werden können. Über das Getriebe 16, das durch die Nabe 12 rotorseitig angetrieben wird, wird die Drehzahl der Abtriebswellen auf 1500 bis 3000 min"1 übersetzt. An diesen schnell drehenden Abtriebswellen wird ein Hilfsgenerator 18 und eine oder mehrere Druckpumpen 20 angetrieben. Die von dem Hilfsgenerator 18 erzeugte elektrische Energie wird von einer Batterie zwischengespeichert, die die Regeleinrichtung versorgt. Diese Bauteile befinden sich in der Gondel 22 der Windenergieanlage, die der veränderlichen Windrichtung über die Windrichtungsnachführung 24 kontinuierlich ausgerichtet - wird. Über eine Drehdurchführung 26 wird das Meeroder Brackwasser in den Vorratstank 27 befördert und über das Ventil 31 der Druckpumpe 20 in der drehbaren Gondel 22 zugeführt. Die Druckpumpe 20 setzt das zugeführte Meer- bzw. Brackwasser unter Druck.The energy conversion of the wind power plant from translatory air movement into rotational energy takes place via the rotor blades 10, which are pivotably mounted on the rotor hub 12 and whose setting angle can be changed via the blade adjustment 14. Via the gear 16, the driven rotor side through the hub 12, the rotational speed of the output shafts of 1,500 to 3,000 min "1 is translated. To this rapidly rotating output shafts, an auxiliary generator 18 and one or more pressure pump 20 is driven. The from the auxiliary generator 18 Generated electrical energy is temporarily stored by a battery that supplies the control device. These components are located in the nacelle 22 of the wind energy installation, which is continuously aligned with the changing wind direction via the wind direction tracking device 24. The sea or brackish water is conveyed into the storage tank 27 via a rotating union 26 and fed to the pressure pump 20 in the rotatable nacelle 22 via the valve 31. The pressure pump 20 pressurizes the supplied sea or brackish water.

Der Druckspeicher 28 sorgt dabei für einen Ausgleich von Lastspitzen und glättet damit den zeitlichen Druckverlauf. Über die Regeleinrichtung 32 wird mit Hilfe des Regelventils 30 der Volumenstrom des unter Druck stehenden Meer- oder Brackwassers sowie über die Blattverstellung 14 die Leistungsabgabe des Rotor aufeinander abgestimmt geregelt.The pressure accumulator 28 ensures a compensation of peak loads and thus smoothes the pressure curve over time. Via the control device 32, the volume flow of the pressurized sea or brackish water is regulated with the aid of the control valve 30 and the power output of the rotor is coordinated with one another via the blade adjustment 14.

Unterhalb der Gondel 22 sind in einem mitdrehenden Drehrahmen 34 die Filtereinheiten 36 und die Umkehrosmoseeinrichtung 38 angeordnet. Durch die mit der Gondel mitdrehende Aufhängung können die Druckrohre zwischen den Druckpumpen 20 und der Filtereinheit 36 sowie der Umkehrosmoseeinrichtung 38 fest verbunden werden. Unterhalb der Umkehrosmoseeinrichtung 38 befindet sich der Trinkwassertank 40, der als Reservoir dient. Aufgrund der Einbauhöhe des Tanks über dem Boden kann der statische Druck das Wasser über die Trinkwasserleitung 42 über größere Distanzen befördern.The filter units 36 and the reverse osmosis device 38 are arranged below the nacelle 22 in a rotating rotating frame 34. Due to the suspension rotating with the gondola, the pressure pipes between the pressure pumps 20 and the filter unit 36 and the reverse osmosis device 38 can be firmly connected. The drinking water tank 40, which serves as a reservoir, is located below the reverse osmosis device 38. Due to the installation height of the tank above the ground, the static pressure can convey the water over longer distances via the drinking water line 42.

In dieser vorgeschlagenen Lösung ist die Windenergieanlage direkt am Meer oder im Brackwassergewässer installiert, so daß die Anlage allseits von Meer- bzw. Brackwasser 44 umgeben ist. Über einen Rohwasserfilter 46 gelangt das Wasser in ein Rohwasserreservoir 48, das sich unterhalb der Wasseroberfläche befindet. Über eine Elektrolyse-Chlorierung 50 wird das Wasser chemisch vor- behandelt. Eine elektrisch betriebene Hebepumpe 52 befördert das Meer- bzw. Brackwasser über das Rohwasserheberohr 54, die Drehdurchführung 26 und den Vorratstank 27 zur Druckpumpe 20 in der Gondel 22. Parallel zu dem Rohwasserheberohr 54 ist das Abwasserrohr 56 angeordnet, das das Salzwasserkonzentrat und die Filterschlämme aus der Filtereinrichtung 36 in das Meer bzw. das Brackwasser zurückführt. Diese Rohre sind zentrisch zum Außenrohr angeordnet und befinden sich in dem Durchstiegsrohr 58 innerhalb des Trinkwassertanks 40. Dieses Durchstiegsrohr 58 dient weiterhin zum Personenaufstieg für Wartungsoder Reparaturarbeiten, dabei wird der untere Turmteil durch die Eingangstür 60 erreicht.In this proposed solution, the wind energy installation is installed directly at the sea or in brackish water, so that the plant is surrounded on all sides by sea or brackish water 44. Via a raw water filter 46, the water reaches a raw water reservoir 48, which is located below the water surface. The water is chemically pre-treated via electrolysis chlorination 50 treated. An electrically operated lifting pump 52 conveys the sea or brackish water via the raw water lifting pipe 54, the rotating union 26 and the storage tank 27 to the pressure pump 20 in the nacelle 22. In parallel to the raw water lifting pipe 54, the waste water pipe 56 is arranged, which carries out the salt water concentrate and the filter sludge the filter device 36 leads back into the sea or the brackish water. These tubes are arranged centrally to the outer tube and are located in the access tube 58 within the drinking water tank 40. This access tube 58 is also used for climbing people for maintenance or repair work, the lower part of the tower being reached through the entrance door 60.

Die gesamte Anlage ist über das Gründungsbauteil 62 mit dem Meeresboden verbunden. Über den Fußflansch 64 ist der Turm 66 mit dem Gründungsteil 62 verbunden. Dabei besteht der Turm 66 aus dem unteren Turmsegment mit dem Trinkwassertank 40 und dem oberen Turmsegment mit der Filtereinheit 36 und der Umkehrosmoseeinrichtung 38. Beide Turmteile sind über den Verbindungsflansch 68 miteinander verbunden. Für Wartungszwecke an der Filtereinheit 36 und der Umkehrosmoseeinrichtung 38 sind in den Drehrahmen 34 zwei Wartungsbühnen 70 jeweils unterhalb der Baugruppen angeordnet. The entire system is connected to the seabed via the foundation component 62. The tower 66 is connected to the foundation part 62 via the foot flange 64. The tower 66 consists of the lower tower segment with the drinking water tank 40 and the upper tower segment with the filter unit 36 and the reverse osmosis device 38. Both tower parts are connected to one another via the connecting flange 68. For maintenance purposes on the filter unit 36 and the reverse osmosis device 38, two maintenance platforms 70 are each arranged below the assemblies in the rotating frame 34.

Claims

PATENTANSPRÜCHE 1. Windenergieanlage mit einem Turm (66) , einer von diesem getragenen Gondel (22) , einem in der Gondel (22) gelagerten Rotor (10, 12) und wenigstens einer von dem Rotor (10, 12) mechanisch angetriebenen, eine Rohwasser aufbereitende Umkehr-Osmose-Anlage speisende Druckpumpe (20) , dadurch gekennzeichnet, daß die Aggregate der Umkehr-Osmose-Anlage in dem Turm (66) angeordnet sind.1. Wind energy plant with a tower (66), a gondola (22) carried by it, a rotor (10, 12) mounted in the gondola (22) and at least one mechanically driven by the rotor (10, 12), treating a raw water Reverse osmosis system pressure pump (20), characterized in that the units of the reverse osmosis system are arranged in the tower (66). 2. Windenergieanlage nach Anspruch 1, dadurch gekennzeichnet, daß die wenigstens eine Druckpumpe (20) in der Gondel (22) angeordnet ist.2. Wind turbine according to claim 1, characterized in that the at least one pressure pump (20) is arranged in the nacelle (22). 3. Windenergieanlage nach Anspruch 1 oder 2 , gekennzeichnet durch ein von der Rotornabe (12) angetriebenes, die wenigstens eine Druckpumpe (20) antreibendes Getriebe (16) .3. Wind power plant according to claim 1 or 2, characterized by a driven by the rotor hub (12), the at least one pressure pump (20) driving gear (16). 4. Windenergieanlage nach einem der vorangehenden Ansprüche, gekennzeichnet durch einen zwischen der Druckpumpe und den Aggregaten der Umkehr-Osmose-Anlage liegenden Druckspeicher (28) .4. Wind power plant according to one of the preceding claims, characterized by a pressure accumulator (28) lying between the pressure pump and the units of the reverse osmosis system. 5. Windenergieanlage nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Druckspeicher (28) in der Gondel (22) angeordnet ist. 5. Wind power plant according to one of the preceding claims, characterized in that the pressure accumulator (28) is arranged in the nacelle (22). 6. Windenergieanlage nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Umkehr- Osmose-Anlage mit der Gondel (22) drehbar in dem Turm (66) gelagert ist.6. Wind turbine according to one of the preceding claims, characterized in that the reverse osmosis system with the nacelle (22) is rotatably mounted in the tower (66). 7. Windenergieanlage nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das aufzubereitende Rohwasser Brackwasser ist.7. Wind power plant according to one of the preceding claims, characterized in that the raw water to be treated is brackish water. 8. Windenergieanlage nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß sie mit einem Rohwasserreservoir (48) versehen ist.8. Wind turbine according to one of the preceding claims, characterized in that it is provided with a raw water reservoir (48). 9. Windenergieanlage nach einem der vorangehenden Ansprüche, gekennzeichnet durch einen im unteren Turmsegment angeordneten Trinkwassertank (40) .9. Wind power plant according to one of the preceding claims, characterized by a drinking water tank (40) arranged in the lower tower segment. 10. Windenergieanlage nach einem der vorangehenden Ansprüche, gekennzeichnet durch einen von der Rotornabe (12) angetriebenen Hilfsgenerator (18) .10. Wind energy plant according to one of the preceding claims, characterized by an auxiliary generator (18) driven by the rotor hub (12). 11. Windenergieanlage nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Umkehr- Osmose-Anlage modular mit mehreren von einer Regeleinrichtung einzeln zu- und abschaltbaren Einheiten besteht.11. Wind energy plant according to one of the preceding claims, characterized in that the reverse osmosis system consists of modular units with several units that can be switched on and off individually by a control device. 12. Windenergieanlage nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß sie im Meer aufgestellt ist. 12. Wind turbine according to one of the preceding claims, characterized in that it is installed in the sea.
PCT/DE2002/000278 2001-02-06 2002-01-28 Wind energy installation comprising a seawater or brackish water desalination plant Ceased WO2002063165A1 (en)

Priority Applications (6)

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KR20037009737A KR100842467B1 (en) 2001-02-06 2002-01-28 Wind turbines including seawater or brine desalination systems
JP2002562879A JP4026061B2 (en) 2001-02-06 2002-01-28 Wind power plant with seawater or brackish water desalination plant
AU2002240799A AU2002240799B2 (en) 2001-02-06 2002-01-28 Wind energy installation comprising a seawater or brackish water desalination plant
EP20020706631 EP1350028B1 (en) 2001-02-06 2002-01-28 Wind energy installation comprising a seawater or brackish water desalination plant
DE50212757T DE50212757D1 (en) 2001-02-06 2002-01-28 WIND ENERGY SYSTEM WITH SEA OR BRACKWATER DESALINATION SYSTEM
US10/467,230 US7029576B2 (en) 2001-02-06 2002-01-28 Wind energy installation comprising a seawater or brackish water desalination plant

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DE10105181A DE10105181C1 (en) 2001-02-06 2001-02-06 Wind-powered energy plant for water desalination has mechanical energy provided by rotor used for driving pressure pump for reverse osmosis system
DE10105181.6 2001-02-06

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DE10105181C1 (en) 2002-07-11
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US20040050760A1 (en) 2004-03-18
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ATE408061T1 (en) 2008-09-15
US7029576B2 (en) 2006-04-18
EP1350028A1 (en) 2003-10-08

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